JVC SR-MV45US Instructions - Page 81

● System Commands Commands relating to RS-232C control system. RS-232C INTERFACE (SR-MV55U ONLY) EN 81 Command Description 01 Complete: Issued by the VTR upon completing all specified operations by commands such as Title Search. 02 Error: Issued by the VTR when receiving invalid commands in the context. In such cases, commands that are sent will not be accepted. However, a return command will be issued but only to the Status Sense. To clear the Error status, perform command 56 (Clear). 05 Not Target: Issued by the VTR when specified operations by commands such as Title Search cannot be completed properly. 0A ACK: A return command issued when a defined command is received. 0B NAK: A return command issued when an undefined or possibly nonexistent command is received. 56 Clear: Clears the Error status. ● Response Commands Commands for acquiring information such as deck status. Command Description 03 Cassette Out: Issued by the VCR deck when the cassette is ejected after ejecting is performed. 60 Chapter Sense: For acquiring the current chapter number.* (DVD Deck) 61 Title/Track Sense: For acquiring the current title number under "ORIGINAL" or in the "PLAY LIST".* (DVD Deck) B9 Select Sense: For acquiring the status of the inputs, recording mode, audio language selection and subtitle selection.* BE Date Data Sense: For acquiring the currently configured year, month and day.* BF Clock Data Sense: For acquiring the currently configured hour, minute and second.* D7 Status Sense: For acquiring the deck information.* D8 TC Data Sense: For acquiring the total remaining time in the current recording mode when there is a media in the selected deck.* D9 CTL Data Sense: For acquiring the lapse counter when there is a media in the selected deck.* DD JVC Status Sense: Returns data from the unit.* * See pages 81 - 84 for data format. Chapter Sense Chapter Sense 60 1st Byte Hundreds 3* 2nd Byte Tens 3* 3rd Byte Ones 3* E.g. (012) 30 31 32 E.g.: When the current chapter is the 12th chapter.